GTAC Observation Log

1. Date : 23/08/2015
2. Observation Sr. No. : 8015
3. Observer : Emmanouil Papastergis, Elizabeth A.K. Adams, J.M. vanderHulst, Riccardo Giovanelli, Martha P Haynes, Jayaram Narayanan Chengalur, Gregory Hallenbeck
4. Observer's Email : papastergis@astro.rug.nl, betsey@astro.cornell.edu, vdhulst@astro.rug.nl, riccardo@astro.cornell.edu, haynes@astro.cornell.edu, chengalur@ncra.tifr.res.in, ghallenbeck@astro.cornell.edu
5. Project Name : %latex% An accurate measurement of the Baryonic Tully-Fisher Relation with very gas-dominated galaxies ($M_{gas}/M_\\ast \\gtrsim 3$)
6. Project Code : 28_025
7. Operator(s) : Nilesh, Rupsing
8. Command File : /odisk/gtac/cmd/28_025/23aug15/obs.cmd
9. LTA File : /gsbifrdata1/23aug/28_025_23aug2015.lta
10. LogFlag File : /odisk/online1/logflags/28_025.FLAGS.6

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409.7501 MHz ,RF2 : 1409.7501 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1350 MHz, ILO2 : 1350MHz , IVLO1 : 59.7501 MHz, IVLO2 : 59.7501 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+11 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 4 MHz; Step # 1
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 140.2499
28. LO5 -2  : 164.7501

29. Frequency Parameters (TPA) : 1409.7501 1409.7501 1350 1350 59.7501 59.7501
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :25

32. Name of Non-Working Antennas (with reason for each) :
S02 : Servo Tests.
E02 : Taken for BLDC
C02 : L band feed is removed.
C01 : Low Fringe.
W05 : High Spot Wind.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Aug 2015 11:00:00 - 23 Aug 2015 18:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :26

37. Comments (During Observations) :
11:00 : Started settings.
11:10 : Started scan on 3c286 for ~ 10min.
11:20 : Stopped scan and started command file.
        /odisk/gtac/cmd/28_025/23aug15/obs.cmd.

12:05 : S02 released for observation.
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13:48 : High Wind, parked array.
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18:00 : Observation time over.